It is related to interactions between surfaces and specifically the removal and deformation of material on a surface as a result of mechanical action of the opposite surface

3 classification of magnetic materials

Is its ability to undergo some degree of permanent deformation without rupture or failure and retain its new shape when the load is remove

The ration of the actual strength of a structure or material (ultimate stress) to the maximum stress it should bear in service (allowable stress)

Defined as magnetizing force which is essential to neutralize completely magnetism in an electromagnet after value of magnetizing force become zero

Property of material which indicates ability of material to withstand a high voltage

Defined as to which all of the variables affecting a given property are controlled and the property in question is measured under fixed conditions

Substances acquire a small net magnetic moment in the direction of the applied field (slightly attracted by the magnetic field)

The volumetric mass density of a substance is its mass per unit volume

Ability of materials to act as a magnet and attract materials like iron, steel, nickel, etc

It is the ratio of the density of a substance to the density of a reference substance.

What are the classification of Engineering materials

An important material properties that firstly becomes magnetized and then de magnetization process

Formula of factor of safety (brittle)

The properties of materials that determines its behavior under applied forces or external forces Expressed as the function of stress-strain

Classification of wear

It refers to the maximum stress that a material can withstand while the material begins to deform plastically

It is the failure of material under repeated or reversal stresses

Formula of safety of factor (ductile)

The property of material by virtue of which deformation caused by applied loads disappears upon removal of load Temporary deformation

It is an example of magnetic properties, Process for heating metals and other electrically-conductive materials that is precise, repeatable and a safe non-contact method

In the Galvanic series chart, what is the less noble?

Abilitybof a material to be deformed plasticall under compressive load

Is defined as the maximum stress that a material can withstand before failure where a force is applied

Classification of mechanical properties

Property of material which resists the flow of electric current through material It is give-and-take of conductivity

What are the classification of Metals

Those distinguishing qualities or characteristics that are used to describe a subtance in the absence of external forces

2 common measure of ductility

These are the internally distributed forces which tend to resist deformation

The deformation of a material from stress

Formula of factor of safety

It is a term that is a qualitative or quantitative measure of response of materials to externally imposed conditions like forces and temperature

Low value of FoS indicates a ____

What are the classification of Plastics

Different thermal properties

Give examples of electrically conductive materials

In the Galvanic series chart, what is the most noble?

It indicates change in resistance of material with change in temperature

Materials with good thermal conductivity include ___ and ____

Classification of material property

What chemical should apply to prevent deterioration

The amount of elasticity of a material is determined by two types of material parameter

Factors affecting wear

Substances when placed in an external magnetic field produce negative magnetization (repelled by magnets)

Property of magnetic material which indicates that how easily magnetic flux is build up in material Determined by ration of magnetic flux density to magnetizing force to producing this magnetic flux density

Properties that are able to conduct electrical current

Capability of a material to undergo plastic deformation to a given shape without defects

It is the actual stress under which the material is expected to operate

The slow and progressive plastic deformation of a material with time at constant stress

It is the property of sudden fracture without any visible permanent deformation

Property of a metal which gives it the ability to resist being permanently deformed when a load is applies

What are the technological properties

It is related to changes in chemical composition of materials because it interacts with other substances When they come in contact with other substances they can react or deteriorate on its own to form a new material

Properties includes absorption, reflectionc transmission and scattering of light

Ability of a material to be deformed plastically under tensile load, and can be drawn out into fine wires without fracture

Property of material which allow flow of electric current through material

They are qualities which give information regarding the suitability of metals for various technological operations or processes

4 paradigmatic parameters of optica properties

Properties are related to transmission of heat and heat capacity. It is also related to its conductivity of heat

Strongly attracted by the magnetic field(retain the magnetism even when magnetic field is removed)

A description of the physical behavior of material would include such characteristics such as

It is the effect if lin formed by joining of two metals is heated, a small voltage of millivolt is produced Thermocouples Use to generate electicity and measure temperature changes

Measures the amount of force per unit are needed to achieve a given amount of deformation. (Pascals)

Is that stress below which is is known that failure will not take place. Under static conditions this would be the elastic limit; under repeated stress, this would be the endurance limit

Ability of a material to absorb energy during plastic deformation up to fracture

Just as classes of materials, there is some ______ among the properties, so the divisions are not always clearly defined

Types of optical